Can't apply AddForce after Instantiating object

Question

I've been trying out different methods for a shooting script to try and make it as versatile as possible.

I've decided on something like this:

     public GameObject bullet;
     public float bulletSpeed = 1000f;
     private Rigidbody bulletRB;
 
     void Update () 
     {
         if (Input.GetMouseButtonDown (0)) 
         {
             GameObject.Instantiate (bullet, this.transform.position, this.transform.rotation);
             bulletRB = bullet.GetComponent <Rigidbody> ();
             bulletRB.AddForce (this.transform.forward * bulletSpeed);
         }
     }

But when the object is created it just falls without any force. I know it has something to do with how I'm applying the force, but I can't figure it out. Any help would be awesome!

Answer 1

Answer by Ahndrakhul · Mar 25, 2017 at 02:14 AM

It looks like you're trying to add force to the prefab of your bullet object and not the instantiated object.

Try something like this:

 public GameObject bullet;
 public float bulletSpeed = 1000f;
 
 void Update()
 {
     if (Input.GetMouseButtonDown(0))
     {
         GameObject bulletInstance = Instantiate(bullet, transform.position, transform.rotation);
         bulletInstance.GetComponent<Rigidbody>().AddForce(transform.forward * bulletSpeed);
     }
 }

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cmcmains · Mar 25, 2017 at 02:21 AM 0

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Thank you so much!

Can't apply AddForce after Instantiating object

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